Think tanks by region

UK

Think Tank	Speciality	Career Information
Chatham House	International economics, regional studies	Job vacancies are advertised on their website and their internship opportunities are advertised on the Chatham House Internships page. Take a look at the LSE Careers, Chatham House biographies page for employee profiles.
International Institute of Strategic Studies(IISS)	Non-proliferation, counterterrorism	Job vacancies are advertised on their website and internship opportunities are advertised on the IISS Intern page.
Overseas Development Institute (ODI)	International development, humanitarian issues	Job vacancies are advertised on their website.  The ODI also offer a fellowship for young postgraduate economists.  For more information please visit ODI Fellowship Scheme page.
Adam Smith Institute	Free-market, social policies	Job vacancies, work experience placements and internships are all advertised on the Adam Smith Institute Jobs pages.
Centre for Policy Studies (CPS)	Enterprise, society, privatisation	The chairman of CPS is Lord Saatchi (an LSE graduate) and although no job vacancies are advertised on the website there are contact details here.
Institute of Development Studies (IDS)	State-engagement, action in developing countries	Job vacancies are advertised on the IDS Jobs pages.  The IDS do not accept speculative applications.
Centre of Economic Policy Research (CEPR)	Economics, public policy, industrial organisation	Job vacancies are advertised on the CEPR vacancies pages.
Centre for European Reform (CER)	Pro-European	Job vacancies are not advertised online.
CIViTAS	Education, crime, constitution, health reform, immigration	Information on internships with CIViTAS can be found on their website.
Fabian Society	Public policy (left of centre), affiliated with the Labour Party.	Information on internships with the Fabian Society can be found on their website.

US

Think Tank	Speciality	Career Information
Brookings Institution	U.S. foreign policy, Middle East	All job opportunities, internships and fellowship information can be found on the Brookings Employment pages.
Council on Foreign Relations (CFR)	U.S. foreign policy, national security	The CFR offer career opportunities for recent graduates as well as various fellowship schemes.  All information on these can be found at CFR Career Opportunities.
Carnegie Endowment for International Peace	Nuclear non-proliferation, China	Current vacancies are advertised on their website.  Carnegie Endowment do not accepted speculative applications.
Rand Corporation	Military strategy, political economy	All information and vacancy postings can be found on the Rand Jobs pages.
Heritage Foundation	Tax policy, missile defence	For information on careers at Heritage please visit their website.  Heritage also offer internships and fellowship schemes, information on which can be found on the Heritage Internships pages.
Woodrow Wilson International Centre for Scholars	Regional studies, democracy promotion	Employment opportunities, internships, and fellowship information can be found at Opportunities @ Wilson.
Centre for Strategic & International Studies (CSIS)	defence policy, diplomacy	Internships with CSIS and employment opportunities are advertised at CSIS Internships and Jobs.
American Enterprise Institute(AEI)	Trade, defence	As featured in Washingtonian magazine's 55 great places to work.  The AEI offers employment opportunities and internships, please visit their website for further information.
Cato Institute	Libertarianism, deregulation	Jobs and internship information can be found on the Cato website.
Centre for Budget and Policy Priorities (CBPP)	Federal budget, federal tax	All job vacancies are advertised on the CBPP Job Opportunities page.

More information on US think tanks can be found on the Washington D.C Think Tanks pages. 

Europe

Think Tank	Speciality	Career Information
Stockholm International Peace Research Institute(SIPRI)	Arms control, conflict management	Information on SIPRI internships can be found on their website. Job opportunities are advertised on the SIPRI Jobs page.
Centre for European Policy Studies(CEPS)	EU affairs	CEPS offer internships within many of the research unit, all job and internship information can be found at CEPS Opportunities.
Transparency International	Anticorruption	Transparency are a large global organisation that have opportunities all over the world, including internships. Please visit Working with Transparency for more information.
German Council for Foreign Relations (DGAP)	German foreign policy, international relations	When vacancies arise they are advertised on the DGAP website.
German Institute for International and Security Affairs	German foreign policy and security	Please note: a basic understanding of German is required to view their web page, all jobs and internships can be found from their home page.
French Institute of International Relations (IFRI)	Trans-Atlantic relations, European affairs	Visit the homepage for careers information.
International Crisis Group	Prevention/resolution of deadly conflict	For further details on employment and internships please visit the International Crisis Group employment pages.
International Institute for Democracy and Electoral Assistance (IDEA)	Electoral processes, political parties, democracy, conflict	Vacancies are advertised on their website, you can also register your CV online to receive information on vacancies and internships.  Please visit IDEA Vacancies
Kiel Institute for the World Economy	Global economics	Research opportunities and student assistant posts are advertised at Kiel Institute Job Vacancies.
European Council on Foreign Relations (ECFR)	Democracy, human rights, justice	Employment opportunities and internships are advertised on the ECFR website.  Please note: internship applications should be sent directly to the relevant office.

Asia

Think Tank	Speciality	Career Information
Chinese Academy of Social Sciences (CASS)	Philosophy, social sciences, People's Republic of China	Visit the home page for careers information.
Japan Institute of International Affairs (JIIA)	Internationals relations, foreign policy	Visit the home page for careers information.
Institute for Defence Studies and Analyses (IDSA)	Military affairs, weapons of mass destruction, terrorism, security	Visit Jobs at IDSA for vacancy news.
Centre for Strategic and International Studies (CSIS)	Defence, security policy, global challenges, regional studies	Internships and job opportunities are advertised here.
Institute for International Policy Studies (IIPS)	International relations	Visit the home page for careers information.

Latin America and the Caribbean

Think Tank	Speciality	Career Information
Consejo Argentino para las Relaciones Internacionales (CARI)	International relations	Visit the home page for careers information.
Facultad Latinoamericana de Ciencias Sociales (FLACOS)	Social sciences, education	Visit the home page for careers information.
Libertad y Desarroll (LYD)	Economy, justice, environment	Visit the home page for careers information.
Centro de Estudios Públicos (CEP)	Chilean affairs	Visit the home page for careers information.
Centro de Implementación de Políticas Públicas para la Equidad y el Crecimiento (CIPPEC)	Education, health, justice, public spending	Visit the home page for careers information.

Africa

Think Tanks	Speciality	Career Information
Centre for Conflict Resolution	Conflict	Centre for Conflict Resolution vacancies
South Africa Institute of International Affairs (SAIIA)	Trade, investment, security, conflict, SA foreign policy	SAIIA offer internships and job opportunities.  Information can be found at SAIIA jobs and Internships.
Institute of Security Studies (ISS)	Human security	Please visit the SAIIA vacancies page for information on opportunities.
Free Market Foundation	Human development	Please visit the home page for careers information.
Al-Ahram Center for Political and Strategic Studies (ACPSS)	Development, international system	Please visit the home page for careers information.
Institute for National Security Studies (INSS)	Terrorism, intelligence, arms control	INSS offers two fellowships; Neubauer Research Fellowships; Ze'ev Schiff Research Associates. They also provide internships. Please visit the About INSS page for more details.
Gulf Research Center (GRC)	Gulf Cooperation Council affairs	Email your CV/resume to [e-mail] or visit the GRC Internship pages for intern information.
Emirates Center for Strategic Studies and Research  (ECSSR)	Economy, military, strategic studies	There are many opportunities advertised on ECSSR Vacancies.
Council for the Development of Social Science Research in Africa  (CODESRIA)	Social sciences	Visit CODESRIA Training, Grants, and Fellowships for information on opportunities.